🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 11.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,337,859 km

• M1: 138,528 km (0.108 R)
• M2: 498,610 km (0.1 R)
• M3: 900,729 km (0.106 R)
• M4: 1,293,722 km (0.096 R)
• M5: 1,824,795 km (0.096 R)
• M6: 2,171,712 km (0.101 R)
• M7: 2,563,210 km (0.091 R)
• M8: 3,173,719 km (0.102 R)
• M9: 3,853,791 km (0.037 R)
• M10: 4,889,307 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 10

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.2 AU - 1.36 AU

Year: 982 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,337,859 km

• M1: 124,316 km (0.093 R)
• M2: 498,909 km (0.063 R)
• M3: 854,653 km (0.114 R)
• M4: 1,221,616 km (0.117 R)
• M5: 2,124,140 km (0.092 R)
• M6: 2,737,791 km (0.036 R)
• M7: 4,046,772 km (0.109 R)
• M8: 4,582,482 km (0.095 R)
• M9: 4,990,884 km (0.11 R)
• M10: 5,423,521 km (0.093 R)
• M11: 6,569,441 km (0.11 R)
• M12: 7,236,498 km (0.105 R)
• M13: 8,186,444 km (0.061 R)
• M14: 8,566,872 km (0.082 R)
• M15: 10,617,260 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 12

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.9 AU - 2.26 AU

Year: 2035 Days

Day: 7.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,337,859 km

• M1: 149,299 km (0.08 R)
• M2: 581,337 km (0.055 R)
• M3: 980,016 km (0.112 R)
• M4: 1,369,718 km (0.104 R)
• M5: 2,210,309 km (0.106 R)
• M6: 2,721,634 km (0.079 R)
• M7: 3,211,866 km (0.073 R)
• M8: 4,319,639 km (0.083 R)
• M9: 4,765,440 km (0.096 R)
• M10: 6,494,193 km (0.108 R)
• M11: 9,701,422 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 9.5

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.45 AU - 3.55 AU

Year: 3524 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,337,859 km

• M1: 121,922 km (0.094 R)
• M2: 507,586 km (0.092 R)
• M3: 928,404 km (0.103 R)
• M4: 1,555,519 km (0.042 R)
• M5: 2,353,324 km (0.1 R)
• M6: 3,052,245 km (0.11 R)
• M7: 4,206,543 km (0.105 R)
• M8: 4,618,236 km (0.055 R)
• M9: 5,711,198 km (0.082 R)
• M10: 6,274,883 km (0.069 R)
• M11: 6,813,435 km (0.089 R)
• M12: 8,907,207 km (0.076 R)
• M13: 9,395,494 km (0.1 R)
• M14: 9,861,791 km (0.097 R)
• M15: 10,221,723 km (0.075 R)
• M16: 11,928,336 km (0.104 R)
• M17: 18,598,606 km (0.113 R)
• M18: 20,539,189 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.1

Radius: 9.5

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.93 AU - 4.17 AU

Year: 4537 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,337,859 km

• M1: 118,332 km (0.096 R)
• M2: 507,436 km (0.086 R)
• M3: 1,454,390 km (0.096 R)
• M4: 1,934,001 km (0.078 R)
• M5: 2,653,268 km (0.07 R)
• M6: 3,231,912 km (0.113 R)
• M7: 4,795,958 km (0.091 R)
• M8: 6,979,339 km (0.103 R)
• M9: 7,641,758 km (0.082 R)
• M10: 9,295,563 km (0.066 R)
• M11: 12,477,809 km (0.107 R)
• M12: 13,986,354 km (0.049 R)
• M13: 14,533,732 km (0.067 R)
• M14: 16,442,003 km (0.12 R)
• M15: 18,187,361 km (0.093 R)
• M16: 21,896,192 km (0.119 R)
• M17: 23,009,648 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 8.1

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.31 AU - 5.81 AU

Year: 7720 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,337,859 km

• M1: 100,679 km (0.115 R)
• M2: 730,486 km (0.1 R)
• M3: 1,058,555 km (0.107 R)
• M4: 1,393,355 km (0.058 R)
• M5: 2,844,903 km (0.107 R)
• M6: 3,928,889 km (0.1 R)
• M7: 4,224,644 km (0.082 R)
• M8: 4,477,614 km (0.113 R)
• M9: 4,952,438 km (0.065 R)
• M10: 5,829,679 km (0.045 R)
• M11: 6,730,857 km (0.058 R)
• M12: 7,973,567 km (0.097 R)
• M13: 8,537,700 km (0.107 R)
• M14: 9,552,871 km (0.082 R)
• M15: 10,958,493 km (0.097 R)
• M16: 11,601,165 km (0.086 R)
• M17: 12,669,892 km (0.084 R)
• M18: 12,961,758 km (0.05 R)
• M19: 17,461,811 km (0.12 R)
• M20: 19,320,415 km (0.116 R)
• M21: 21,471,782 km (0.093 R)
• M22: 21,803,590 km (0.055 R)
• M23: 23,689,720 km (0.111 R)
• M24: 24,854,041 km (0.1 R)
• M25: 26,150,157 km (0.054 R)
• M26: 27,103,095 km (0.103 R)
• M27: 27,490,703 km (0.063 R)
• M28: 28,177,806 km (0.118 R)
• M29: 31,893,967 km (0.076 R)
• M30: 36,392,076 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.8

Radius: 5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.62 AU - 8.02 AU

Year: 14832 Days

Day: 19.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,337,859 km

• M1: 63,729 km (0.086 R)
• M2: 473,328 km (0.109 R)
• M3: 850,913 km (0.096 R)
• M4: 1,808,339 km (0.054 R)
• M5: 2,087,638 km (0.081 R)
• M6: 2,351,529 km (0.057 R)
• M7: 3,048,356 km (0.12 R)
• M8: 3,260,336 km (0.026 R)
• M9: 5,928,414 km (0.12 R)
• M10: 6,660,995 km (0.097 R)
• M11: 7,049,052 km (0.076 R)
• M12: 7,675,268 km (0.088 R)
• M13: 10,554,130 km (0.086 R)
• M14: 16,319,033 km (0.087 R)
• M15: 19,557,827 km (0.119 R)
• M16: 20,167,139 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.2

Radius: 7

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.38 AU - 9.9 AU

Year: 15752 Days

Day: 18.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,337,859 km

• M1: 87,066 km (0.086 R)
• M2: 339,737 km (0.065 R)
• M3: 730,038 km (0.078 R)
• M4: 1,522,757 km (0.057 R)
• M5: 2,473,451 km (0.08 R)
• M6: 2,725,075 km (0.043 R)
• M7: 2,970,864 km (0.118 R)
• M8: 3,936,518 km (0.067 R)
• M9: 4,340,433 km (0.077 R)
• M10: 5,367,572 km (0.088 R)
• M11: 5,647,918 km (0.071 R)
• M12: 7,368,443 km (0.076 R)
• M13: 9,311,420 km (0.096 R)
• M14: 9,820,053 km (0.077 R)
• M15: 10,948,171 km (0.058 R)
• M16: 11,399,807 km (0.095 R)
• M17: 11,688,381 km (0.113 R)
• M18: 13,912,303 km (0.099 R)
• M19: 16,623,914 km (0.096 R)
• M20: 17,220,660 km (0.114 R)
• M21: 17,600,788 km (0.065 R)
• M22: 18,774,982 km (0.058 R)
• M23: 21,893,050 km (0.075 R)
• M24: 24,185,039 km (0.036 R)
• M25: 27,243,119 km (0.053 R)
• M26: 30,439,128 km (0.069 R)
• M27: 30,995,033 km (0.1 R)
• M28: 34,714,186 km (0.077 R)
• M29: 38,590,566 km (0.088 R)
• M30: 40,968,873 km (0.104 R)
• M31: 44,147,678 km (0.094 R)
• M32: 49,600,371 km (0.111 R)
• M33: 50,991,332 km (0.058 R)
• M34: 52,249,450 km (0.081 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 18,473 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit